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5.1.1. Usage Requirements

5.1.1. Usage Requirements​

All session descriptions handled by JSEP implementations, both local and remote, MUST indicate support for the following specifications. If any of these are absent, this omission MUST be treated as an error.

  • ICE, as specified in [RFC8445], MUST be used. Note that the remote endpoint may use a lite implementation; implementations MUST properly handle remote endpoints that use ICE-lite. The remote endpoint may also use an older version of ICE; implementations MUST properly handle remote endpoints that use ICE as specified in [RFC5245].

  • DTLS [RFC6347] or DTLS-SRTP [RFC5763] MUST be used, as appropriate for the media type, as specified in [RFC8827].

The SDP security descriptions mechanism for SRTP keying [RFC4568] MUST NOT be used, as discussed in [RFC8827].

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